CN221028379U - Cartridge tray and sample detection device - Google Patents

Abstract

The application is suitable for the technical field of biological detection, and provides a cartridge tray and a sample detection device, wherein the cartridge tray comprises a tray base and a clamping assembly; the clamping assembly is provided with a clamping piece and an elastic piece, the clamping piece is provided with a clamping part which is used for being abutted with a clamping position of the clamping box, and two ends of the clamping part along a first direction are respectively provided with a guide surface; according to the application, the clamping part can be clamped into the clamping position on the clamping box and slide out of the clamping position on the clamping box very smoothly by only driving the clamping box along the first direction through the guide surface arranged on the clamping part, so that the clamping box is convenient to install and take out; simultaneously, when the installation cartridge, chucking spare is kick-backed through the elastic component, can give people and have better sense of touch and experience to confirm that the cartridge is installed to the mounting groove in, avoid sample detection device to run empty, lifting means's job stabilization nature.

Description

Cartridge tray and sample detection device

Technical Field

The application belongs to the technical field of biological detection, and particularly relates to a cartridge tray and a sample detection device.

Background

Nucleic acid extraction and detection of samples is an important task in molecular diagnosis, and a point-of-CARE TESTING (point-of-time detection) integrated instrument system based on PCR (polymerase chain reaction ) technology is generally adopted, and the instrument system is suitable for analyzing sample types such as nasopharyngeal swab, sputum, urine, faeces, cervical/vaginal swab, blood, cerebrospinal fluid, skin, wound swab and the like, and adding a body fluid sample into a disposable kit, wherein the kit needs to carry out warehouse advance and warehouse withdraw actions at each station so as to complete corresponding steps at each station.

Before the warehouse-in or warehouse-out action is carried out, the reagent card box is required to be clamped in the card box tray through the positioning and clamping mechanism so as to prevent the card box from jumping to influence the nucleic acid extraction. In the existing positioning and clamping structure, the clamping part is required to be directly driven by extra manpower or a driving device to be in an open-close state, then the clamping box is installed in the clamping box tray, and then the clamping part is gradually closed to finish the installation of the clamping box, so that the process is complicated and the installation of the clamping box is inconvenient; meanwhile, when the clamping part is closed by external force, whether the clamping box is clamped or not cannot be confirmed, the condition that the sample detection device runs empty easily occurs under the condition that the clamping box is not arranged, a large amount of detection time is wasted, and the working efficiency of the detection equipment is affected.

Disclosure of utility model

The application provides a cartridge tray and a sample detection device, which can solve the problem that in a bin feeding and discharging mechanism, a compressing mechanism is directly driven by external force to mount and take out a cartridge, and whether the cartridge is clamped or not to cause the sample detection device to run empty cannot be confirmed.

In one aspect, the present application provides a cartridge tray comprising:

the tray base is provided with a mounting groove for mounting the cartridge, and the cartridge can be mounted in the mounting groove along a first direction; and

The clamping assembly is provided with a clamping piece and an elastic piece, the clamping piece is arranged on the tray base, the clamping piece is provided with a clamping part which is used for being abutted against the clamping position of the clamping box, guide surfaces are respectively arranged at two ends of the clamping part along the first direction, the elastic piece is arranged between the clamping piece and the tray base, the clamping part stretches into the mounting groove along the second direction under the action of the elastic piece, and the second direction is intersected with the first direction so that the clamping part is abutted against the clamping position of the clamping box in the mounting groove.

Optionally, the chucking subassembly includes two elastic component, and two elastic component all set up on the tray base, and the elasticity direction of two elastic component is all along the second direction, is provided with on the chucking spare and supports the pushing block, supports the pushing block setting between two elastic component.

Optionally, the clamping assembly further comprises a guide rod, the guide rod is arranged on the tray base along the second direction, and the pushing block is arranged on the guide rod in a sliding manner.

Optionally, the guiding surface far away from the mounting groove along the first direction is an inclined surface, and the guiding surface near to the mounting groove along the first direction is an arc surface.

Optionally, two clamping parts are arranged on the clamping piece at intervals, and the two clamping parts are distributed along the circumferential direction of the mounting groove.

Optionally, the first direction is perpendicular to the tray base, and the second direction is parallel to the tray base and perpendicular to the first direction.

Optionally, the quantity of chucking subassembly is the multiunit, multiunit chucking subassembly along the even setting in tray base of mounting groove circumference.

Optionally, an in-place detection component is disposed in the mounting groove, so as to detect whether the cartridge is in place.

Optionally, the tray base includes base hypoplastron and base upper plate, and mounting groove and chucking subassembly all set up in the base hypoplastron, are provided with the through-hole on the base upper plate corresponding with the mounting groove, and the base hypoplastron is located to the base upper plate lid.

In another aspect, the present application also provides a sample detection device, including a cartridge and a cartridge tray according to any one of the above.

The scheme of the application has the following beneficial effects:

In the application, when the clamping box is installed along the first direction, the clamping box presses the clamping piece along the guide surface, so that the clamping piece moves along the second direction and gradually presses the elastic piece, and the elastic piece is in a compressed state; when the clamping box is completely arranged in the mounting groove along the first direction, the clamping part corresponds to the clamping position on the clamping box in the second direction, and the elastic piece pushes the clamping piece to move along the second direction by virtue of the elastic force of the elastic piece until the clamping part is abutted against the clamping position of the clamping box arranged in the mounting groove so as to limit the clamping box in the mounting groove; when the cartridge finishes nucleic acid extraction and needs to be replaced by a new cartridge, the cartridge is driven in the opposite direction to the mounting direction, and the clamping position of the cartridge presses the clamping piece along the guide surface of the clamping part, so that the clamping piece moves along the second direction, and when the clamping part is completely far away from the clamping position of the cartridge along the second direction, the cartridge can be taken out smoothly; according to the application, the clamping part can be clamped into the clamping position on the clamping part and slide out of the clamping position on the clamping part very smoothly by driving the clamping part along the first direction through the guide surface arranged on the clamping part, so that the clamping part is convenient to install and take out, and the clamping part can be installed and taken out without arranging an additional driving mechanism or directly driving the clamping part to be far away from the clamping part along the second direction by manpower, so that the clamping part is simple in structure and convenient to operate; simultaneously, when the installation cartridge, chucking spare is kick-backed through the elastic component, can give people and have better sense of touch and experience to confirm that the cartridge is installed to the mounting groove in, avoid sample detection device to run empty, lifting means's job stabilization nature.

Other advantageous effects of the present application will be described in detail in the detailed description section which follows.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings can be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a cartridge tray according to an embodiment of the present application;

FIG. 2 is a schematic view of a clamping member of a cartridge tray according to an embodiment of the present application;

FIG. 3 is a schematic view of a portion of a cartridge tray according to an embodiment of the present application;

Fig. 4 is a schematic structural view of a cartridge tray with a cartridge according to an embodiment of the present application.

[ Reference numerals description ]

100. A cartridge;

1. A tray base; 10. a mounting groove; 11. a base lower plate; 12. a base upper plate; 13. a chute;

2. A clamping assembly; 21. a clamping piece; 211. a clamping part; 212. a guide surface; 213. the pushing block; 214. a guide rod; 22. an elastic member;

3. An in-place detection component; 31. detecting an optocoupler; 32. detecting an optocoupler mounting seat;

4. a limit component; 41. a limit boss; 42. a limit column;

5. A heating assembly; 51. heating the positioning seat.

Detailed Description

In the following description, for purposes of explanation and not limitation, specific details are set forth such as the particular system architecture, techniques, etc., in order to provide a thorough understanding of the embodiments of the present application. It will be apparent, however, to one skilled in the art that the present application may be practiced in other embodiments that depart from these specific details. In other instances, detailed descriptions of well-known systems, devices, circuits, and methods are omitted so as not to obscure the description of the present application with unnecessary detail.

It should be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.

It should also be understood that the term "and/or" as used in the present specification and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes such combinations.

As used in the present description and the appended claims, the term "if" may be interpreted as "when..once" or "in response to a determination" or "in response to detection" depending on the context. Similarly, the phrase "if a determination" or "if a [ described condition or event ] is detected" may be interpreted in the context of meaning "upon determination" or "in response to determination" or "upon detection of a [ described condition or event ]" or "in response to detection of a [ described condition or event ]".

Furthermore, the terms "first," "second," "third," and the like in the description of the present specification and in the appended claims, are used for distinguishing between descriptions and not necessarily for indicating or implying a relative importance.

Reference in the specification to "one embodiment" or "some embodiments" or the like means that a particular feature, structure, or characteristic described in connection with the embodiment is included in one or more embodiments of the application. Thus, appearances of the phrases "in one embodiment," "in some embodiments," "in other embodiments," and the like in the specification are not necessarily all referring to the same embodiment, but mean "one or more but not all embodiments" unless expressly specified otherwise. The terms "comprising," "including," "having," and variations thereof mean "including but not limited to," unless expressly specified otherwise.

The cartridge tray and the sample detection device provided by the application are exemplified below with reference to specific embodiments.

As shown in fig. 1 and 2, the cartridge tray provided by the utility model comprises a tray base 1 and a clamping assembly 2, wherein a mounting groove 10 for mounting a cartridge 100 is formed in the tray base 1, and the cartridge 100 can be mounted in the mounting groove 10 along a first direction; and a clamping assembly 2, the clamping assembly 2 is provided with a clamping piece 21 and an elastic piece 22, the clamping piece 21 is arranged on the tray base 1, the clamping piece 21 is provided with a clamping part 211 which is used for being abutted with the clamping position of the clamping box 100, two ends of the clamping part 211 along the first direction are respectively provided with a guide surface 212, the elastic piece 22 is arranged between the clamping piece 21 and the tray base 1, the clamping part 211 stretches into the mounting groove 10 along the second direction under the action of the elastic piece 22, and the second direction is intersected with the first direction so that the clamping part 211 is abutted with the clamping position of the clamping box 100 arranged in the mounting groove 10.

In the above embodiment, when the cartridge 100 is not mounted in the mounting groove 10, the elastic member 22 is in a natural state, and the clamping portion 211 protrudes into the mounting groove 10. When the cartridge 100 is mounted in the first direction, the cartridge 100 presses the chucking member 21 along the guide surface 212 so that the chucking member 21 moves in the second direction and gradually presses the elastic member 22 so that the elastic member 22 is in a compressed state. When the cartridge 100 is completely disposed in the mounting groove 10 along the first direction, the clamping portion 211 corresponds to the clamping position of the cartridge 100 in the second direction, and the elastic member 22 pushes the clamping member 21 to move along the second direction by virtue of its elastic force until the clamping portion 211 abuts against the clamping position of the cartridge 100 disposed in the mounting groove 10, so as to clamp the cartridge 100 in the mounting groove 10. When the cartridge 100 is completed and a new cartridge 100 is required to be replaced, the cartridge 100 is driven in a first direction in a direction opposite to the mounting direction, and the clamping position of the cartridge 100 presses the clamping member 21 along the guide surface 212, so that the clamping member 21 moves in a second direction, and when the clamping portion 211 is completely away from the clamping position of the cartridge 100 in the second direction, the cartridge 100 can be smoothly taken out.

In the application, the clamping part 211 is provided with the guide surface 212, so that the clamping part 211 can be clamped into the clamping position on the clamping part 100 and slide out of the clamping position on the clamping part 100 very smoothly, and the clamping part 100 is convenient to install and take out, so that the clamping part can be installed and taken out of the clamping part 100 without additionally arranging a driving mechanism or directly driving the clamping part 21 to be far away from the clamping part 100 in the second direction by manpower, thereby the application has simple structure and convenient operation; meanwhile, when the cartridge 100 is installed, the clamping piece 21 rebounds through the elastic piece 22, so that better touch experience can be provided for people, the cartridge 100 is ensured to be installed in the installation groove 10, the sample detection device is prevented from running empty, and the working stability of equipment is improved.

It will be appreciated that the present application is used in a sample detection device (i.e., a nucleic acid extractor), and that cartridge 100 is primarily used to contain a nucleic acid reagent solution.

It will be appreciated that the first direction is the direction of movement of the cartridge 100 when the cartridge 100 is installed, and the second direction is the direction of movement of the clamping member 21. For example, the first direction may be a vertical direction perpendicular to the tray base 1, and the second direction may be a horizontal direction parallel to the tray base 1, and when the cartridge 100 is mounted, the cartridge 100 is inserted into the mounting groove 10 in the vertical direction, and the clamping member 21 moves in the horizontal direction by the elastic member 22 to limit the cartridge 100 in the mounting groove 10. The first direction may be a horizontal direction parallel to the tray base 1, and the second direction may be a horizontal direction parallel to the tray base 1, where the first direction is perpendicular to the second direction, that is, the cartridge 100 is pushed horizontally into the mounting groove 10 along the first direction, and then the cartridge 100 is limited in the mounting groove 10 by the clip 21. It should be noted that the first direction and the second direction are not limited to the above two directions, and are not listed here.

The elastic member 22 is mainly used for providing an elastic force for driving the clamping portion 211 to move along the second direction. By way of example, the elastic member 22 may be a spring, a leaf spring, or the like.

In one embodiment, as shown in fig. 3, the clamping assembly 2 includes two elastic members 22, where the two elastic members 22 are disposed on the tray base 1, and the elastic directions of the two elastic members 22 are along the second direction, and the clamping member 21 is provided with a pushing block 213, and the pushing block 213 is disposed between the two elastic members 22.

In the above embodiment, when the cartridge 100 is installed, the clamping member 21 is pressed by the cartridge 100 to move along the second direction, so that the pushing block 213 presses one of the elastic members 22 and stretches the other elastic member 22, and the stress is uniformly distributed by the two elastic members 22, so that the elastic member 22 on one side is prevented from being damaged due to being deformed by the larger stress.

In a preferred embodiment, as shown in fig. 3, the axes of the two elastic members 22 coincide in the second direction to improve stability.

In a specific embodiment, as shown in fig. 3, the clamping assembly 2 further includes a guide rod 214, where the guide rod 214 is disposed on the tray base 1 along the second direction, and the pushing block 213 is slidably disposed on the guide rod 214.

In the above embodiment, when the cartridge 100 is mounted or removed, the pushing block 213 slides along the guide rod 214 to guide the clamping member 21 to move along the second direction, so as to avoid the deviation from the second direction, so that the clamping portion 211 cannot correspond to the clamping position on the cartridge 100.

In a more specific embodiment, as shown in fig. 3, the tray base 1 is provided with a sliding groove 13 extending along a second direction, the guide rod 214 is disposed in the sliding groove 13 along the second direction, the clamping member 21 is slidably disposed in the sliding groove 13, and the two elastic members 22 are sequentially disposed in the sliding groove 13 along the second direction.

In the above embodiment, the stability of the movement of the clip 21 in the second direction is improved by the provision of the chute 13.

In a more specific embodiment, as shown in fig. 3, two pushing blocks 213 are respectively disposed on two sides of the clamping member 21, two guide rods 214 are disposed in the chute 13 along the second direction, each pushing block 213 is correspondingly slidably disposed on each guide rod 214, and two elastic members 22 are disposed on two sides of each pushing block 213.

In the above embodiment, the stability of the movement of the clamping member 21 in the second direction is improved by providing the pushing block 213, the guide rod 214, and the two elastic members 22 on both sides of the clamping member 21, respectively.

In one embodiment, as shown in fig. 2, the guide surface 212 facing away from the mounting groove 10 in the first direction is a slope, and the guide surface 212 facing toward the mounting groove 10 in the first direction is a cambered surface.

In the above-described embodiment, when the cartridge 100 is mounted in the first direction, the inclined guide surface 212 may guide the cartridge 100 smoothly into the mounting groove 10, and the cartridge 100 presses the chucking member 21 along the inclined guide surface 212 so that the chucking member 21 moves in the second direction. When the cartridge 100 is taken out in the first direction, the cartridge 100 is smoothly taken out by the guide of the guide surface 212 of the arc surface.

In a specific embodiment, the angle between the guiding surface 212 of the inclined surface and the second direction is 30 ° to 60 °, and the cambered surface of the guiding surface 212 of the cambered surface is disposed towards the mounting groove 10.

In a preferred embodiment, the angle between the guiding surface 212 of the bevel and the second direction is 45 °.

In one embodiment, as shown in fig. 2, two clamping portions 211 are spaced apart from each other on the clamping member 21, and the two clamping portions 211 are circumferentially distributed along the mounting groove 10.

In the above embodiment, the two clamping portions 211 are mainly used to abut against clamping positions on the cartridge 100 to clamp the cartridge 100 in the mounting groove 10. The two clamping portions 211 are circumferentially distributed along the mounting groove 10, so that a contact area as large as possible is ensured to realize uniform pressure distribution, and the stability of mounting the cartridge 100 is improved.

In one embodiment, as shown in fig. 4, the first direction is perpendicular to the tray base 1, and the second direction is parallel to the tray base 1 and perpendicular to the first direction.

In the above embodiment, the cartridge 100 is mounted in the mounting groove 10 in the first direction perpendicular to the tray base 1, and the chucking member 21 is moved in the second direction parallel to the tray base 1 to clamp the cartridge 100 in the mounting groove 10. The first direction is perpendicular to the second direction, and the movements of the cartridge 100 and the clamping member 21 are orthogonal to each other, so as to reduce vibration or shake during installation or removal, and improve the stability of the entire system.

In one embodiment, the number of the clamping assemblies 2 is multiple, and the multiple groups of the clamping assemblies 2 are uniformly arranged on the tray base 1 along the circumferential direction of the mounting groove 10.

In the above embodiment, each set of clamping assemblies 2 applies pressure uniformly, avoiding an excessively large or small pressure concentration area, so that the cartridge 100 is uniformly stressed to improve the stability of installation. At the same time, the arrangement reduces the pressure borne by a single clamping assembly 2, reduces local stress concentrations which may be caused by excessive loads, and thereby prolongs the service life of the clamping assembly 2.

In a specific embodiment, as shown in fig. 1 and 3, the number of the clamping assemblies 2 is two, and the two clamping assemblies 2 are oppositely distributed on the tray base 1.

In one embodiment, as shown in fig. 1 and 3, a home detection assembly 3 is provided within the mounting slot 10 for detecting whether the cartridge is in place.

In the above embodiment, the in-place detecting module 3 is mainly used to detect whether the cartridge 100 is in place or not, and send an in-place signal of the cartridge 100 to the sample detecting device.

In a specific embodiment, as shown in fig. 1 and 3, the in-place detection assembly 3 includes a detection optocoupler 31 and a detection optocoupler mount 32, and the detection optocoupler 31 is mounted on the tray base 1 through the detection optocoupler mount 32. The cartridge 100 is provided with a blocking piece, the detecting optocoupler 31 is provided with an optocoupler groove for the blocking piece to extend into, and the detecting optocoupler 31 can detect the cartridge 200 located in the position under the condition that the blocking piece extends into the optocoupler groove.

In one embodiment, as shown in fig. 1 and 3, a limiting assembly 4 is disposed within the mounting slot 10 for limiting the cartridge 100 within the mounting slot 10.

In a specific embodiment, as shown in fig. 1 and 3, the limiting assembly 4 includes a limiting boss 41, the limiting boss 41 and a limiting post 42 are respectively disposed in the mounting groove 10, the limiting boss 41 corresponds to a notch on the cartridge 100, and the limiting post 42 corresponds to a protruding portion on the outer side of the cartridge 100, so as to limit the cartridge 100 in the mounting groove 10, and prevent the cartridge 100 from rotating circumferentially in the mounting groove 10.

In one embodiment, as shown in fig. 1 and 3, a heating assembly 5 is disposed within the mounting slot 10 for heating the liquid within the cartridge 100.

In a specific embodiment, as shown in fig. 1 and 3, the heating assembly 5 includes a heating plate and a heating positioning seat 51, the heating plate is disposed at the bottom of the mounting groove 10 and is used for heating the cartridge 100; the heating positioning seat 51 is disposed on the heating plate and is used for positioning and matching with the cartridge 100. The cartridge 100 is positioned by the heating positioning seat 51, so that the heating sheet corresponding to the heating positioning seat 51 can heat the designated portion of the cartridge 100.

In one embodiment, as shown in fig. 1, the tray base 1 includes a base lower plate 11 and a base upper plate 12, the mounting groove 10 and the clamping assembly 2 are both disposed on the base lower plate 11, through holes are disposed on the base upper plate 12 corresponding to the mounting groove 10, and the base upper plate 12 is covered on the base lower plate 11.

In the above embodiment, the clamping assembly 2 is covered in the base lower plate 11 by the base upper plate 12 to prevent damage to the clamping assembly 2 during installation.

Based on the cartridge tray described above, the present utility model also provides a sample detection device comprising a cartridge 100 and a cartridge tray as described in any of the embodiments above.

While the foregoing is directed to the preferred embodiments of the present application, it will be appreciated by those skilled in the art that various modifications and adaptations can be made without departing from the principles of the present application, and such modifications and adaptations are intended to be comprehended within the scope of the present application.

Claims (10)

1. A cartridge tray, comprising:

A tray base (1), wherein a mounting groove (10) for mounting a card box (100) is formed on the tray base (1), and the card box (100) can be mounted into the mounting groove (10) along a first direction; and

The clamping assembly (2), clamping assembly (2) have chucking spare (21) and elastic component (22), chucking spare (21) set up in on tray base (1), chucking spare (21) have be used for with chucking portion (211) of chucking position butt of cassette (100), chucking portion (211) are followed first direction's both ends are provided with guide surface (212) respectively, elastic component (22) set up in chucking spare (21) with between tray base (1), chucking portion (211) are in stretch into in mounting groove (10) along the second direction under the effect of elastic component (22), wherein the second direction with first direction is crossing, so that chucking portion (211) butt in the chucking position of cassette (100) in mounting groove (10).

2. Cartridge tray according to claim 1, characterized in that the clamping assembly (2) comprises two elastic members (22), the two elastic members (22) are arranged on the tray base (1), the elastic directions of the two elastic members (22) are along the second direction, the clamping member (21) is provided with a pushing block (213), and the pushing block (213) is arranged between the two elastic members (22).

3. Cartridge tray according to claim 2, characterized in that the clamping assembly (2) further comprises a guide bar (214), the guide bar (214) being arranged on the tray base (1) in the second direction, the push block (213) being arranged slidingly on the guide bar (214).

4. Cartridge tray according to claim 1, characterized in that the guiding surface (212) facing away from the mounting groove (10) in the first direction is a sloping surface and the guiding surface (212) facing closer to the mounting groove (10) in the first direction is a cambered surface.

5. Cartridge tray according to any of claims 1 to 4, characterized in that the clamping member (21) is provided with two clamping portions (211) at intervals, the two clamping portions (211) being distributed circumferentially along the mounting groove (10).

6. Cartridge tray according to any of claims 1 to 4, characterized in that the first direction is perpendicular to the tray base (1) and the second direction is parallel to the tray base (1) and perpendicular to the first direction.

7. Cartridge tray according to claim 1, characterized in that the number of the clamping assemblies (2) is multiple, and the multiple groups of the clamping assemblies (2) are uniformly arranged on the tray base (1) along the circumference of the mounting groove (10).

8. Cartridge tray according to claim 1, characterized in that the mounting slot (10) is provided with an in-place detection assembly (3) for detecting whether the cartridge (100) is mounted in place.

9. The cartridge tray according to claim 1, wherein the tray base (1) comprises a base lower plate (11) and a base upper plate (12), the mounting groove (10) and the clamping assembly (2) are both arranged on the base lower plate (11), through holes are formed in the base upper plate (12) corresponding to the mounting groove (10), and the base upper plate (12) is covered on the base lower plate (11).

10. A sample testing device comprising the cartridge (100) and the cartridge tray of any one of claims 1 to 9.